16380116 has 12 divisors (see below), whose sum is σ = 28715988. Its totient is φ = 8175552.

The previous prime is 16380107. The next prime is 16380139. The reversal of 16380116 is 61108361.

It can be written as a sum of positive squares in 2 ways, for example, as 348100 + 16032016 = 590^2 + 4004^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 851 + ... + 5786.

It is an arithmetic number, because the mean of its divisors is an integer number (2392999).

Almost surely, 2^16380116 is an apocalyptic number.

It is an amenable number.

16380116 is a deficient number, since it is larger than the sum of its proper divisors (12335872).

16380116 is a wasteful number, since it uses less digits than its factorization.

16380116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7258 (or 7256 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 16380116 is about 4047.2355997644. The cubic root of 16380116 is about 253.9640968535.

Adding to 16380116 its reverse (61108361), we get a palindrome (77488477).

The spelling of 16380116 in words is "sixteen million, three hundred eighty thousand, one hundred sixteen".